The mariner uses a 250 watt free-spinning motor mounted in the front wheel for propulsion and high capacity 36 volt 9 amp hour advanced lithium battery (LiFEPO4) which provide a smooth, powered ride on flat and hilly terrain.
We felt a few bumps and jolts over pockmarked pavement, due largely we suspect to the standard run-flat tires (which by nature are stiffer than conventional rubber), but by the same token the ride is never floaty or bouncy, which will certainly spare rear-seat riders from ever feeling seasick in this land yacht.
His unattended police motorcycle was once found outside the flat by officers who raised the alarm in case he was in danger, only to see him come out and ride off.